
Dwarf Malabar Puffer
Carinotetraodon imitator
- Care level
- Intermediate
- Adult size
- 2.5 cm
- Minimum tank
- 20 litres
- Temperature
- 22–28 °C
Species profile
Tetraodon pustulatus
Common names: Cross River Puffer

An endangered West African puffer that grows to 30 cm. Imports are scarce and costly, and it needs a 540 litre tank with strong flow.
A large puffer with a warty skin texture and a mottled body, named pustulatus for the small bumps on its skin.
Rarely seen, and usually sold at a high price by specialists. FishBase records it at up to 40 cm.
No obvious differences have been noted.
Use a large, strongly filtered tank with moderate flow and plenty of open space.
An inquisitive fish that mainly hunts slow or fixed prey.
Usually kept alone.
May bite fish of a similar size, out of curiosity or aggression.
Small, quick, peaceful fish are largely ignored, but similar-sized fish such as bichirs or large cichlids may be bitten. It will eat shrimp and snails.
A freshwater puffer. It can tolerate slight salt but does not need it.
Eats mainly snails, mussels and crustaceans, with some other invertebrates and fish.
Check the beak regularly. If it overgrows, the fish can no longer eat and the teeth may need to be trimmed by someone experienced.
Has not been bred in captivity.
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